---
title: Nex AGI: Nex N2.5 Pro API | Text Generation | ModelsLab
description: Build with Nex AGI: Nex N2.5 Pro API by Nex AGI. Text generation, chat, code, and reasoning. Plans from $21/month.
url: https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro.md
canonical: https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro
type: product
component: Playground/LLM/Index
generated_at: 2026-09-22T12:51:49.102945Z
---

Nex AGI: Nex-N2.5-Pro
---

 [LLMs.txt](https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro/llms.txt) [.md](https://modelslab.com/models/nex-agi/nex-agi-nex-n2.5-pro.md)

Nex AGI: Nex-N2.5-Pro
---

Choose a prompt below to get started or type your own message

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### Nex AGI: Nex-N2.5-Pro

nex-agi nex-agi-nex-n2.5-pro

Copy model ID

PricingInput $0.075 / 1M tokens

Output $0.25 / 1M tokens

API EndpointsOpenAI Compatible

`https://modelslab.com/api/v7/llm/chat/completions`Endpoint

Anthropic Compatible

`https://modelslab.com/api/v7/llm/v1/messages`Messages

`https://modelslab.com/api/v7/llm/v1/messages/count_tokens`Count Tokens

`https://modelslab.com/api/v7/llm/v1/models`Models

Use with Claude Code

cURL Example

ParametersSystem MessageYou are a helpful AI assistant specialized in providing accurate and detailed responses.

Temperature0.7

Max Tokens4000

Top P0.9

Frequency Penalty0

Presence Penalty0

Thinkinglow

lowmediumhigh

Deeper thinking spends more of the Max Tokens budget before the answer starts.

Model Info

Support

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Open-source models we host, unlimited on the $149/month plan.

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About Nex AGI: Nex-N2.5-Pro
---

Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file...

### Technical Specifications

Model IDnex-agi-nex-n2.5-pro

CategoryLLM Models

TaskText Generation

Price$0.163 per million tokens

AddedSeptember 22, 2026

### Key Features

- Chat completion and multi-turn conversation API
- Streaming response with token-by-token output
- Function calling and tool use support
- System prompts and role-based messaging
- JSON mode and structured output

### Quick Start

Integrate Nex AGI: Nex-N2.5-Pro into your application with a single API call. Get your API key from the [pricing page](https://modelslab.com/pricing) to get started.

PythonJavaScriptcURLPHP

```
<code>import requests
import json

url = "https://modelslab.com/api/v7/llm/chat/completions"

headers = {
    "Content-Type": "application/json"
}

data = {
        "model_id": "nex-agi-nex-n2.5-pro",
        "messages": [
            {
                "role": "user",
                "content": "Hello!"
            }
        ],
        "max_tokens": 1000,
        "key": "YOUR_API_KEY"
    }

try:
    response = requests.post(url, headers=headers, json=data)
    response.raise_for_status()  # Raises an HTTPError for bad responses (4XX or 5XX)
    result = response.json()
    print("API Response:")
    print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
    print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
    print(f"Other error occurred: {err}")</code>
```

### Pricing

Nex AGI: Nex-N2.5-Pro API costs $0.163 per million tokens. Plans start at $21/month, and open-source models are unlimited on the $149/month plan. [View pricing plans](https://modelslab.com/pricing)

### Use Cases

- AI chatbots and virtual assistants
- Code generation and developer tools
- Content writing and copywriting automation
- Data analysis, summarization, and extraction

[Browse LLM Models](https://modelslab.com/models?feature=llmaster) [More from Nex AGI](https://modelslab.com/models/open_router) [View Pricing](https://modelslab.com/pricing)

Nex AGI: Nex-N2.5-Pro FAQ
---

### What is Nex AGI: Nex-N2.5-Pro?

Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file...

### How do I use the Nex AGI: Nex-N2.5-Pro API?

You can integrate Nex AGI: Nex-N2.5-Pro into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "nex-agi-nex-n2.5-pro" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

### How much does Nex AGI: Nex-N2.5-Pro cost?

Nex AGI: Nex-N2.5-Pro costs $0.163 per million tokens. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models.

### What is the Nex AGI: Nex-N2.5-Pro model ID?

The model ID for Nex AGI: Nex-N2.5-Pro is "nex-agi-nex-n2.5-pro". Use this ID in your API requests to specify this model.

### Do I need a paid plan to use Nex AGI: Nex-N2.5-Pro?

Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet.

---

*This markdown version is optimized for AI agents and LLMs.*

**Links:**
- [Website](https://modelslab.com)
- [API Documentation](https://docs.modelslab.com)
- [Blog](https://modelslab.com/blog)

---
*Generated by ModelsLab - 2026-09-22*